Yes, but if you can't explain how it works to someone, then you don't want to run min-iLv raids/trials with them. Because if you can't explain something as simple as 'type /statusoff "the Echo"' or 'right-click the muscle pose buff' then you won't be able to communicate effective mechanics, and running raids/trials at min-iLv without effective communication is just asking for a bad time. So I stand by my judgement.
There may be some people who want to run min-iLv and still benefit from echo. Do you agree that this is a good reason to keep it? Probably not. But it's conceivable that some people might want that. Your solution would exclude them from running the content the way they want. Leaving things the way they are doesn't exclude you from doing the content the way you want, much as it may inconvenience you to run it your way.Even if the Echo has a good purpose in normal sync, it has absolutely no purpose in minimum item level and shouln't even exist in this mode !