it's monopoly, in professional setting in most cases is no possibility to use something else even if alternative tools is better for your specific task. It really similar to case of MS Word decades ago, now we have choose but not in the past.
Figma had chance to grow later to level where it could become Adobe competitor, now it's no hope that would be any competition any time soon.
Just to illustrate why I think that. Usually Adobe software used for everything so is no escape in most cases, but Figma became so widespread in popular specific case so it could really transform situation in way: use Adobe for everything but for UI/Web use only Figma. In that way everybody become committed enough to Figma ecosystem and they as company can start offering new tools which will able to capture Adobe businesses bit by bit.
Figma had chance to grow later to level where it could become Adobe competitor, now it's no hope that would be any competition any time soon.
Just to illustrate why I think that. Usually Adobe software used for everything so is no escape in most cases, but Figma became so widespread in popular specific case so it could really transform situation in way: use Adobe for everything but for UI/Web use only Figma. In that way everybody become committed enough to Figma ecosystem and they as company can start offering new tools which will able to capture Adobe businesses bit by bit.