[thehappypm]

Do I need to be to have an opinion?

[caleb-allen]

To have a qualified opinion that carries any weight, yes.

[refurb]

You seem awfully confident in your opinion for not having any deep knowledge of the area.

[thehappypm]

Ad hominem attack

[refurb]

Lol, no.

Calling out the OP for being wrong and them admitting they have no knowledge in the area is not an ad hominem attack.

The OPs theory was disproven on its merits alone.