a) migrating to a different jurisdiction isn't realistically a massive barrier for them (related: https://www.usenix.org/system/files/1401_08-12_mickens.pdf)
b) if they're taking the time to get a "secret" warrant for you, you have much larger issues. It's like building a car that's resistant to hellfire missiles. It'll help, but if you're getting hellfire missiles thrown at you, you have much larger problems than the structural integrity of your vehicle.
Realistically, there's a reason that a lot of these services are underused. Many of them lack reliable support, many of them aren't as useful, and the vast majority lack the interconnectivity that makes services like Drive and Gmail so useful to the vast majority of consumers. In addition, if your evaluation of the utility of US companies is based on which party is in power, you should know that both parties equally don't care about your privacy, and never have.