I have to be honest and say I am not dead set against it. The issue of annoying people is only really an issue if it's a surprise and the point of this thread is that it's not. I also think having the nationals winner get in is not so much of a big deal because it's pretty unlikely they haven't qualified anyway (would have been mint for the swedes though!) I have a couple of issues though. Firstly the other GTs need to spread through the year to maximise attendance. Guaranteed entry to the masters would make it basically less exciting for those players for the rest of the year. Secondly it might also make it more likely that people turn down their tickets because of travel and I feel that a high number of drop outs undermines the masters.
However when is all is said and done I think provides a good comprise between the masters being a winner of winner event and the status quo. If it does inspire more people to attend the regional GTs that would also be great, just for inspiring faux but also to make the UK a bit more interactive with different regions. (a Scottish contingent is thinking of trying to get to the English Gt)