Mana as a whole seems flawed by this point if Riot cannot balance it

I can already see people hating the current mana changes because "We want to spam, not get gated!" This has happened time and again, and always ends up creating a huge shitstorm.

So I have to wonder: How is mana even kept as a resource anymore?

All it seems to do by this point is seriously inconvenience mage and support players by gating how long they can fight, while also preventing the creation of any non-mana Support Champions because Riot hates infinite resources. And cutting the base mana growth of multiple mages in half is just going to make that gate even worse, regardless of the item updates and base mana increases.

I can already see nearly every mage in the game going for an Archangel's now because players will want to keep their spell spam. Bad call on this one, Riot.