Easier said than done tbh. Considering how solid her neutral is and how fast she nets out damage it doesn't really feel like I'm playing on an even playing field vs other characters in the cast.
Give it another year, or a few months if you yell at everyone else to stop being shit and git gud, and help already good people work out how to get even better.
Remember how Wesker was one of the best characters in UMVC3 before people figured out how to play characters that require actual effort, but are also much much better?
Skullgirls lets you get away with not optimising your play at a certain level because of the cast's general ease of use, and ease of ab-use for obviously strong things like herpaderp neutral and herpaderp assists, but as players get better then herpaderp becomes much much easier to deal with and punish, and not-obviously-strong stuff gets stronger because now you have the skill to actually use it.
Things like being able to punish characters shit more, being able to use actually good low-commital pressure, using ranged pokes as confirms instead of pure high-low-throw in your face game, using assists to augment your character instead of just throwing it out brainlessly or using it as the basis of your gameplan, and high-skill reactionary read-based neutral instead of "get into optimal range of thing, use thing, if it works go into combo, if it doesn't work call an assist to make it safe then do another mixup". These type of things are criminally under-used in nearly all footage I see.
Frankly, one of the biggest failings of the Skullgirls community is that we seriously lack high-skill tier whores. People who are at a high level, AND also are willing to explore the cheapest possible shit they can think of. Too many people are comfortable with just playing who they like, and it's annoying that the game is balanced enough for that to not cause instant losses when they pick non-optimal things. I'm joking of course, I like games balanced, and it's good that stupid absuive shit is being removed when found.
This recent trend of US players thinking that Cerebella is a top tier anchor because of H LNL, big comeback factor, hustlin rocks, and lots of options is deeply puzzling to me for this reason. H LNL isn't -that good- as an assist. It's good, but it's not like it covers a truly great amount of space or keeps you truly locked down. It's good with appropriate setup, and it punishes assists pretty well though. Hustlin rocks is very easy to bait, and assistless Cerebella is not too challenging to avoid, outrun, and re-crossup.
I'm more in the camp that a comeback shell, like Band/Double, Band/Wheel, Band/Peacock are better as anchors because of the ease of SSJ->safe dhc once big band lands or escapes a reset, and giving double/wheel/peacock L Extend which is an absolutely glorious assist for them to use, since it's not only a DP assist that helps conversions, it assists in neutral by being a dp assist that snaps people up at footsie range and INCREASES CHARACTERS ABILITIES TO CONVERT.
Double can't convert off of her jumpback j.HP normally, but if you confirm into L Extend then suddenly that button is horrifying. Peacock's j.MP and j.HP are pretty alright at controlling space, but nothing to write home about... until you do j.MP j.HP confirmed into L Extend and uh oh now you're getting comboed by peacock. Painwheel doesn't get too much help confirming from L Extend since her confirms are godlike anyway but she just uses it super well in other situations.
But why is Bella more focused on than this kind of team composition? Because Bella is far easier to use than a team composition. It's far more simple to try find the right place to happy birthday level 3 for a comeback, to use something high-priority to insta-win a situation on a correct read. Everyone is focusing on the next easy thing to use, instead of the high-research, high-skill shit.
tl;dr:
everyone should git gud and that makes harder characters as good if not better as easier characters
big band/(double/painwheel/peacock) is really really good as an anchor
yaboiidekillspeak:
do some hard shit sometimes ayyyyyy S K I L L G U R L S
L extend tho