How many examples will you need before you say "oh ok, I can see some valid concerns."? I've worked in places where expensive Lab equipment is running off outd

How many examples will you need before you say "oh ok, I can see some valid concerns."? I've worked in places where expensive Lab equipment is running off outdated PCs/servers because updates aren't available and they will absolutely stay on for as long as possible. We're not all silicon valley, things can be expensive and difficult to replace...