You might be surprised how refreshing it can be to host your own alternatives to cloud services. It's a matter of incentives. Cloud services will always evolve to maximize profits. While this is closely tied to customer satisfaction, you might not be the customer. Often advertisers are the true customers.
Open source tools tend to be much more user-centric. Even just dropping dark patterns and constant upselling often makes it worth it for me.
It's not a panacea. OSS has its own issues. But it feels better for my mental health to not be using software that's constantly trying to manipulate me in some way.