removing the sounds and smells of a scooter engine immediately devalues a classic.
With 60 years of ingrained 2 stroke it'll always smell . . . . And it'd live in a garage with 4 other proper smelly ones, the noise is easy to replicate. . And I think will become law soon enough, people will start getting run over regularly.
TBH, going forward we quite possibly face the reality of go electric or museum piece. A tuned 2 stroke isn't exactly an eco warrior.