Linux routers responding ICMP from 192.0.0.8 when not having an IP address (currently being standardized). Clouds using class E address space (240.0.0.0-255.255.255.254). Routers that drop IP packets with options. The entire concept of NAT until the existing behavior was eventually standardized. Unnumbered interfaces.

I think all of those are examples of "[doing] things against agreed-upon standards [with] a compelling reason and [with] due consideration to the adverse consequences".

And the compelling reason is always profit.

"The entire concept of NAT" was for profit? "Linux routers responding ICMP from 192.0.0.8 when not having an IP address" was for profit? What?

The grocery store down the road only sells me things for profit but I hope you're not trying to imply that's somehow nefarious.

No it isn’t. Sometimes it’s security, or making the most out of limited resources.

Besides, not all profitable ventures are bad.