With wind, at least all the moving parts tend to be well above water, only exposed to salt spray (though that's still pretty nasty).

Tidal and especially wave have moving components exposed to water, often right on the wind-water line. That makes them corrosion and maintenance horrors.

There have been plenty of demonstration wave & tidal plants that have produced power, but I think the operation record is about two years, most much less.

Building and scrapping your plants every year or two is neither cost nor energy efficient.

Solar, hydro, geothermal, and wind are much nicer to deal with.

That's some cool engineering