What if Unison language and the Cloud have a vulnerability. Would you suddenly have a large network of services that could be readily exploited? This sort of "infrastructure monoculture" situation gives me the heebie-jeebies, but I'm admittedly pretty dumb when it comes to security.
I imagine that with my Google Cloud Run instance running who-knows-what language on maybe some framework, the opportunities to zero in on an exploit are fewer than when an attacker can know exactly what's running, what it's running on, and perhaps even have the ability to enumerate to find instances off of pro plans since they may often use auto-generated names from hyphen-separated common words. If the sandboxing of instances is poor, it seems like it could be a huge problem.
Again, I have no idea what I'm talking about. Mostly curious to learn more, not criticize.