Then he saw that there was a complaint of plagiarism against him, after which he cowardly adds an alleged link to the source, but this source is not correct.
I don't remember exactly what LoyceV said, but recently he advised that if you add sources, then they must be real. There and then, this user just stupidly referred to Google.
It is intentionally response to plagiarism accusation that is bad, obviously.
Initially, if a poster takes content from somewhere else, it should be a link. Even it is taken from Google, it should have a link because when you use Google search engine, the search results will give a kind of abstract of found contents. Then if you want to read a full text, you must click on it and Google will direct you to a specific page at which you surely can have a link. For this case, leave source as Google is very lazy and unacceptable (in my opinion).
One exception (in my opinion) is when you recall that you read a content from somewhere else, from someone but you can not find a link back. For that case, you can leave something like
"I recalled this statement is from A" and if possible -
"Unfortunately, I can not find the source link for now".Something like
Content
I recalled this statement is from A Unfortunately, I can not find the source link for now"