He hasn't told any lies; this debate has been going on for years and has always been known.
In fact, Peter Wuille was heavily criticized for this.
The thing is, taproot was sold as a gateway to improvements to protect against quantum computing, and since then no progress has been made, while Signal and Simplex have gotten their act together.
By the way, I shouldn't have responded to you because you started out being disrespectful, you idiot.