Redanman,
I think you're the one who is incapable of understanding.
Lasers aren't better because they're lasers, they're better because they produce a better product more efficiently.
When you played Boca Rio didn't you notice the five markedly different strains of grass on the 4th and 5th fairways ?
Grasses with different colors, different leaf blades, different heights, different growth rates, different competitive qualities, different agronomic needs, etc., etc. ?
Is that your ideal fairway condition ?
A contractor was supposed to deliver and grow in one grass, 419 Bermuda, but missed the mark and five grasses, none of them 419 Bermuda, were introduced.
Why do you think that States have certification programs for grass ?