However, assuming you’re willing to pay for privacy, switching e-mail is super easy. For example, from the Fastmail UI, you literally log in to your Google account and all your mail is transferred to Fastmail.
Switching to DDG? It’s 95% as good.
Switching to Apple Maps or OSM? It’s 95% as good.
Google Drive? There are 100 competitors.
There is one site you cannot do without, and that is YouTube. Everything else from Google can easily be ditched, the only two things in your way could be a reluctance to pay money and a slight feeling of unease at having to get used to something else.