In other words, the fundamentals of the company are still strong. This is the exact kind of buying opportunity people talk about when buying on a dip. This isn’t a falling knife.
Market staying irrational is always a risk. Otherwise, i see recent developments as temporary. Market has very little memory, if any. Advertisers stop spending, but eventually they unlock spend too.
There's also bubbly-market effect, and these might result in deflation a bit.