Wanda wasn't an issue because we seen her grow overtime with her power. She started off with simple tricks then demolished a large number of enemies when her brother died then showed she could hold her own against Thanos. That was a character with growth.

Cpt Marvel never showed growth. It was overpowered from the get go. They showed her overpower Thanos as well until he blasted her into the next scene.

But you bring up a great point, the Wanda/ Cpt Marvel sequence was a massive middle finger to anyone that wanted something great from a decade of world building. The whole female sequence was a "hey, we have strong.... females too, but we don't give a shit about them." Most of the female characters are a joke because either they are overpowered or underpowered. Wanda is the best flushed out one. All the others are a " we had to hire them" vibe. I always believed they should have divided up the characters into different worlds for better stories.