I'm talking about when the bitcoin transaction fees skyrocket. This is when everyone is forced to pay the TX fees due to someone inflating them, spamming the network, etc.
I think so, especially from miners or another side who didn't agree with core developers to stick up with 1Mb block size. Those people want to prove it is not enough by offers some hard fork which ended as altcoin or postponed, the easy way to do it by inflating the fees every time the price rise up.
However, it just a speculation as there is no proof of this attempt due to bitcoin transaction is pseudonymous and can be anonymous.
The fees spike whenever bitcoin price increase, and get back to normal after a major correction. It always happens all the time.
It makes sense if we consider the fees increase following bitcoin price, people triggered to transact bitcoin from their wallet to exchanges in order to trade bitcoin and most transactions occur in exchanges. But, most exchanges are not using segwit address or lightning network.