Most msf courses use cruisers so once you take that you should have and idea what those feel like. In my opinion just sitting on a bike tells you very little about what it’s like to ride. As far as 600+ cc bikes goes Yes that is a stereotypical answer you’ll hear from a lot of people. How could riding a motorcycle every be boring? Read the post on why it’s not a good idea to start on a 600cc sportbike for a better explanation than I could give.