With high vacuum you gets lots of low sugar sap you dont get with buckets or gravity tubing. Vacuum will run when buckets wont, but, often low sugar content. But sheepel will believe much of what they read without questioning it...

I dont know russ,,,the person that wrote the story is the expert,,,,bahh ,bbahhh,,,baahhhh, pretty easy to be a sheepel,,,,

People do littel critical thinking today