It is all about workflow and integrations. I personally never got hooked at Gmail, I use it as a spam boxes and need it to sign-up to YT or when someone shared something with me.
But I'm on O365.
Still looking for replacement for e-mail - might eventually switch to Hey but it is a bit pricey
Hey - to explain: it is a bit of expensive side to use with custom domain and compared to what I use right now (I have free access to O365)
Still looks like good replacement and might hop on it eventually
I stopped using Google search many months ago - had enough, too many ads and results not relevant to search query
Using Bing + Perplexity since then and I’m happy with the results