short version, some old french dude wrote a book/theory on french sauces, original french cookbook mentioned mayonaise as the "mother sauce", but during translation from french to english this was changed to Hollandaise, alex found the original book, fixed the wikipedia entry, and stuff got reverted because the english books didnt mention mayo... then a whole bunch of edits from both sides fixed and unfixed things
https://en.wikipedia.org/w/index.php?title=French_mother_sau...
short version, some old french dude wrote a book/theory on french sauces, original french cookbook mentioned mayonaise as the "mother sauce", but during translation from french to english this was changed to Hollandaise, alex found the original book, fixed the wikipedia entry, and stuff got reverted because the english books didnt mention mayo... then a whole bunch of edits from both sides fixed and unfixed things
https://www.youtube.com/watch?v=pMXvAjH0Nco