Pressing either of the TOGA buttons instead of disengaging the autothrottle is certainly not a common mistake in the 737. You either have to be retarded, completely unqualified or maybe have a live seizure to mistake/accidently push the wrong one of those buttons
Allow me....
I hope you’re just having a bad night... but you have put quite an effort into finding names for those who’ve made the mistake.
What’s your experience level? Towards the low side I’d imagine, as humbleness tend to develope from experience.