And for the post above that, Gliscor can easily stall put Terrakion w. SubProtect and healing up from Stone Edge. On top of that, its shaky accuracy. HP Ice is guaranteed even after Gliscor tries to double Protect, on top of that you won't have to worry about Stone Edge missing. You pretty much covered what I would have to say for Landorus-T. It will tank anything Terrakion has (Intimidate as stated earlier) and can just OHKO with EQ. If they know you have HP Ice by then, you can force a switch and maybe you can predict something.
Gliscor's going to Protect on HP Ice anyways, so then it will always come down to prediction afterwards regardless. You are discarding little when running Swords Dance because he just needs some prior damage to die to Stone Edge, accuracy issues or not. As for Landorus, it takes 90% minimum on +1 Stone Edge, so he's not tanking. HP Ice doesn't even OHKO without Stealth Rock.
"you probably should build a better team"
Was referring to this statement.
He was obviously talking in general, to just anybody.