Yes, they are realistic. No you shouldn't change your system to satisfy clown development dynamics.
And just as a warning, if you insist on doing so, the rules will get ever more complicated. Expect to not be able to achieve anything at all very soon.
If Crowdstrike is an example, then that's not true. Instead, success is not gated by rule quality, and you can get to global scale without a signal as to whether your rules are actually good or effective. And then someone publishes a new template and boom, Delta grounds their planes for days.
