im not OP but yes. as every tech company im pretty sure they have skeletons im forgetting, but yes

I actually have a hybrid setup. My public DNS and my mail server are in the cloud as those are too important to risk going down. I also have a FreeIPA replica in the cloud to help manage them. Then I set basically everything else up in my homelab because I don’t care if roundcube goes down so long as IMAP and SMTP still work.

They have nearly monopolized a lot of web traffic with their CDN, proxies, and other services. Yes they can provide a good product, but this much influence over the internet is not a good thing. it’s not healthy for maintaining an open web, but that’s long since been killed.