But of those 126,301 people who have edited in the last 30 days, some of them have edited more than one article. In fact, some have made up to millions of edits (lifetime), which disproportionately increases the total. At least 5000 people have edited more than 24,000 times.
Only a minority of users contribute regularly (126,301 have edited in the last 30 days):
https://en.wikipedia.org/wiki/Wikipedia:Wikipedians#Number_o...
And there are 6,952,556 articles in the English Wikipedia, so an average article is corrected every 55 months (more than 4 years).
It's hardly "Millions of eyes on each article"