this round of the current short squeeze may be over, but you need to remember all of the "smart" shorts, if shorting TSLA at $35 or $40 looked good to them, why shorting TSLA at $70 or $75 must have looked irresistible
As TSLA continues to make progress (and money), even if the stock does drop temporarily, it will again make new highs and continue moving up. There will be other squeezes in the future for sure. I see TSLA with a $40-$50B valuation in its future, that's 6-7 times the current stock price if the valuation is similar (it could change, but by how much?)