His point is valid. The construction of the Christian God has a specific history.
Again, the reduction of the point to only mean this one thing is where the issue lies. It is stupid to reduce the argument to the one god whose followers you don't like, and even stupider to then take the extra step to reduce it to fictional characters like Tinkerbell.
I can't exaggerate the level of stupid you just posted here, you literally used the same fallacy to argue that it was "valid". This type of argument is circular logic, "it's valid because it's valid" is its own special level of stupid.
His argument was slightly more valid than yours, because it didn't reduce all argument about god/s to one specific theology like yours always does and didn't apply the "it's valid, because I can't see past Christian god/s" argument.