WASM is slower than running JavaScript on V8 in almost all scenarios and will likely continue to be for a very long time. Also, many of us don’t want a compile step.
While I don't want any compile step either (js should stay), I'm actually confused by your statement.. are there any benchmarks? Are you saying that for example v86 would run faster without wasm?
I think that would probably fall outside the norm. My information might be outdated, but I was under the impression that JavaScript usually wins in most algorithm benchmarks because the JIT is so good.