The phrase "invalid argument" means that the reason or explanation given is not logical, well-supported, or correct. It suggests that the statement or claim made is flawed and cannot be considered valid or convincing. Full definition
It's not always necessarily a completely invalid argument, but, unless you're referring to actual humanitarian atrocities and drawing some sort of geopolitical comparison, it's likely in poor taste. (relevantmagazine.com)
@blastgunner the silence from my part is not due to a lack of arguments but to the simple fact that i, m tired of trying to explain how unfounded, weak... your comments are the same way i, m, tired of reading the same old invalid arguments being used, rehashed, borrowed from some sites like caughtoffside or some lazy pundits who love to use the same old cliches without anything to back it up!! (justarsenal.com)
Instead of trying to create a pointless and invalid argument against it, they simply aim to clear up some of the misconceptions surrounding it as the term «addiction» gets thrown around too loosely these days by people who don't actually know what it means. (wolfsgamingblog.com)