No GPU Mining After the Ethereum Merge? Fork Token or ETC to Mine?

According to Watcher Guru, we are only 12,554 away from the Ethereum Merge, which is expected to happen at 1:09 on September 15 (CST). By then, Ethereum will have transitioned to PoS, a major blow to PoW miners in the network. The Merge will force PoW miners that operate the $19 billion mining business to find alternatives.Source: https://watcher.guru/ethmerge
Recent data shows that Ethereum miners are fleeing from the network. Right now, the average computing power of the whole Ethereum network