[mtgx]

The explanation could be that Google would prefer to use the excuse that "it's our objective algorithm that downranked our competitors, not us!"

And before you say "Aha! There you go assuming malice instead of incompetence" - keep in mind that Google has used this "our algorithm is objective so we don't manipulate what appears on our search pages" for years and years. It's the go-to strategy they use to appear neutral when called upon by governments.

Facebook has also attempted something similar in recent cases.