Just for fun, Out. As to the scientific method, it takes substantial N to statistically prove a theory. It only takes one conflicting N to disprove it outright.
My fav example......
Your task is to provide the theory that comports with this observed outcome of a series of number...... 2,4,8
To test your theory, you apply different series to see if they are valid.
Nearly everyone assumes the theory is a series of numbers that double themselves, so first tests are something like 5,10,20. That does comport.
Then they'll guess 3,6,12. Still confirms the correct theory as well.
They can test thousands more of these doubling series, as well, and they are all valid. Did they prove the doubling theory? No.
The series 1,2,3 is also valid. So is 9,11,742.
The theory is simply any three numbers in ascending order. If you first tested a series opposed to your theory, it would only take one N to disprove it.
If the theory in the thread had been, "big boys most often do not display their registration sticker", you would try to find a marina where most do display them.
This theory (admittedly re-phrased) was "big boys often don't pay their registration fees". If that statement was confined to the OP's marina, one would test differently. But, as a broader stated theory, I believe it's been disproved, as many contrary examples have been provided. Acknowledging one has to trust the word of my slip neighbors, or that of the many others here, like you and I.
I also hasn't proved the theory that they do often pay, just disapproved the theory proposed.
The concept of off shore registration is a better point. Although, our boarder countries don't see it that way. They do receive revenue from these foreign registrations and have decided to be more competitive. If we lowered them here, they would come back. No doubt. I think tax competition is good, otherwise, the unrestrained taxing power corrupts. Sort of how that whole revolutionary war thing happened.