The upcoming Halving Bitcoin will double the cost of mining, causing the price to skyrocket to $ 90,000 or higher
For operators who use high-speed computers to mine BTC, halving will cost them double the cost.
If the theory depends upon the price of bitcoin depends upon helping the miners then it would be true but that is not the way the investors would treat the market and hence the theory is flawed. The investors depend upon how they view the bitcoin market and not about how much investment the miners did and hence correlating them with the amount of money a miner spends does not occur. If the bitcoin investors think that there is value in investing in bitcoin the price would move higher and not the other way around

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