Bug with Thresh's "E" against Volibear with "Q" active

I just played a match and the damndest thing just happened. So the enemy jungle was the Volibear, and I was supporting with Thresh. Make a long story short, it came to a point where Voli activated his "Q" and charged at me, I adjusted my route to avoid him while fleeing and used my "E" as soon as Voli came within range to flay him away. Instead of just pushing him back, Volibear apparently grabbed my ranged attack and flung me along with him- essentially just maximizing the range of his toss instead of peeling. Now before we say it's how it's supposed to work- let's clear things up:

A: Thresh is a ranged champion, so any suggestion that the chains are part of him is thrown out the window. This would be the same as Volibear being able to chuck a Caitlyn because she sniped him. B: Volibear's toss is applied to his next basic attack. Considering he was never in attack range before the Flay went off, and thus even further from attack range after- his toss shouldn't even be working.

Needless to say I stopped trying to Flay the Volibear's advances because it only makes his Q outrageous. I mean, from being chucked over his shoulder to being ripped out of place like a Blitz grab are two different things.