[gamblor956]

If the other party attempts to sneak in such a change, usually you extract a concession from them when you catch them as many bar associations now regard that as unethical behavior warranting discipline.

[faceplanted]

Yes, but you still have to catch them, and the fact it's possible gives them the leeway to try, when the point of business is to do business, not to catch people out.

[bal00ns]

That's an imperfect solution for a problem that didn't need to exist in the first place that might even produce its own list of problems.