Google Analytics is very hard to replace, because the real value to businesses is in the integrations with Google Ads and Search Console. There's no viable alternative to Google's advertising networks at the minute.
This. We use a non-Google analytics product that we could even move to self-hosting if needed. But the marketing director basically was like “This is better than GA, and I will use it for almost everything, but we have to have GA also because it shows as conversions.”