i reckon that should be ok with the right repair.
i was in BETD once having a gander round the factory and i was looking at one of the team yetis that they had at the time, it had been crashed in a way that forced the cage of the rear mech through the bottom of the chain stay , they had done a quality job of filling and smoothing of the hole with some kind of epoxy when i asked if it had held up ok they said it had been like that for a full season of racing so yeah.
the hole was way bigger than yours.