One thing that I don't thing anyone mentioned...
That improvement we did some time ago to the LFS system, where there is now only one list of hosts, and less licensed racers can join any host as long as the content of that host falls within their license.
In the past, hosts were strictly set for one license or another, so when we changed from S1 to S2, nearly all hosts switched to S2 and suddenly there was hardly any S1 action to be found. That was unexpected and turned out a bit hard on S1 racers. With the new system, even at this time of day, there are 201 hosts that you can join as an S1 licensed racer and 37 of those are occupied. So an S1 license is quite good these days.
And finally to the point I am making, when Rockingham is released, S2 licensed racers will only be excluded from the Rockingham hosts or those which allow the new car. This will not have a very damaging effect on the S2 action.
As a result, there is not much pressure to upgrade your license. We are just saying, here is something we have done and this is the price if you'd like to use it. It doesn't really harm anyone, it's just something you can pay for if you think it's worth it. Of course, if you don't think it's worth it, and want to wait and see if there is more content added in the future, that is fine.