Sorry I don't buy it, Dr Strange had the time stone, Why didn't he drop Quill through a hole? Even Rewind time? We know from the Dr Strange movie that you cant see past your own death. So, we know that his 1 in 14 million chance was getting the glove off Thanos. Yet He failed to see that Quill would disrupt the plan?
The plan the guardians had did manage to stop Thanos closing his glove eventually, but, not at the beginning of the fight.
And as for the last fight, Only Captain America made any attempt to hold his glove. All the rest of the Attacks were brushed aside, and again, there was a lot of time between Thanos appearing and the fighting starting, long enough for Thanos to use the glove. What about the Witch holding him off, he made no attempt to use his powers then. And he had the extra power of all those infinity stones, yet she was able to hold him off. And again where was Thor for all this?
That brings me to one more thing. Well two actually. These things didn't bother me so much because the start of the movie was so good. But, Heimdall didn't see Thanos coming? Ok maybe Thanos was cloaked or something. Well, why didn't Thor use his new found Thunder powers? There was so much angst in Thor: Ragnarok about him losing his hammer. Then Odin explained that his powers weren't from the hammer, that Thor was the power.