Not even close.
https://blackjackincolor.com/truecount5.htm
Even in extremely high counts your initial bet won't win more than 45% of the time. You do lose significantly less hands though. Much of the edge just comes from getting more blackjacks. Remember card counters only have around .5%-2% edge overall depending on how good the rules are.
In very high counts you can get like a 10% edge on your initial bet, but these are extremely rare unless you're playing single deck, and rare even then. You're still winning less than 45% of hands though.
https://blackjackincolor.com/truecount2.htm