Why don't you just go to the search function at the top of the group page and type in ETA? This will bring up all 700+ posts on this subject. Or is that too difficult?
Give it a try - it might be malfunctioning! Otherwise you'll be directed to a manual gate for overstay fine processing. No big deal if it's only a few days
All I'm saying is don't pretend for one moment that you're unaware a bribe is being paid. If you know how Thailand operates you would be well aware that a foreigner will never come off better than a Thai when things go belly-up. If you have to live in Thailand in perpetual visa exempt entries, you're not the sharpest knife in the kitchen drawer anyway