If this was Candy Crush or some crap where there’s a certain way to solve the puzzle, sure, then I could see it as cheating.
There isn’t only a single way to “solve the puzzle” in GoW. The board is made from RNG and refills itself through RNG. It’s WAY more about your team composition than it is the board layout due to storms, converters, explosions, gem creation, effects, etc. If helping with team composition isn’t cheating (such as in GoW Discord servers, talking between guildmates, these forums, etc), I don’t see how one could possibly argue that allowing people to help you with board manipulation is cheating.
As has been pointed out several times, the devs themselves don’t consider it cheating. This argument isn’t going to go anywhere; there aren’t many die-hard dev-lovers on this forum anymore, but this is one aspect where the nay-sayers, dev-lovers, and devs all agree. It’s you against the world on this topic.