Those numbers are pretty generous, I would beg to differ on at least some of them. [1][2][3]

My mistake when you mentioned ground effect, I thought you meant sealed (skirts and fans). The ground effect you mean is already a thing in present F1 thanks to diffusers. The new rules have just made the diffuser bigger and simplified the front and rear wings.

[1] https://www.racefans.net/2019/10/07/todt-admits-2021-budget-...

[2] https://www.racefans.net/2019/12/27/the-cost-of-f1-2019-team...

[3] https://www.racefans.net/2020/01/02/the-cost-of-f1-2019-part...