Suggestions for infantry classes design: Are these designs worth trying?

I imagine that making class system overtly complex monster leads to dumping down team play. Why? Because you're able to do so much by yourself that you don't need teamwork, coordination, squad unity, tactics.. . whatever to accomplish a victory. One man army syndrome — era of omnipotent soldiers.

Down here is my proposal, I wrote some time ago. Simple roles, more role-taking.

https://forums.ea.com/discussions/battlefield-6-general-discussion-en/for-future-battlefield-%e2%80%94-class-philosophical-notes-and-chain-of-command-/12642396