Cadillac makes those abominations because people buy them. If people would buy something reasonably sized with decent headlights, that’s what Cadillac would make. It’s the people that buy them.
I’m pretty sure their F1 car design won’t have headlights and will be roughly the same size as every other F1 car.
The best general use Firefox forks are Librewolf and Waterfox.
Using any chromium engine based browser skews the market share to Google. The greater percentage of pages viewed with chromium, the more sites and designers go all in with Google. The device fingerprinting and tracking is one of Google’s big lock in money makers.
Getting as many people as possible off chromium engine browsers is positive for the web in general.