Peter Schiff, a well-known economist and gold maximalist, has called MicroStrategy (MSTR) the 'most overvalued stock'.MicroStrategy's assets have grown significantly, with the company's BTC holdings valued at over $14 billion.Schiff believes that MicroStrategy's share price is inflated due to its Bitcoin holdings.Crypto Twitter community defended MicroStrategy and accused Schiff of attempting to manipulate the market.