The Tourist Trophy Races were originally contested by cars; & were held on the IOM because their Parliament agreed to them taking place (after the UK Govt at the time - 1907 - refused to allow them to happen on the mainland). Had Jousting been a persuit that fired the imaginations of daring...
It's the longest road circuit in the world by a distance (!) with the greatest number of riders willing to race there. Of course every death there is regrettable, but the length & complexity of the course means that inexperienced riders are the most at risk of having a 'major off', but everybody...
I've also felt that there's an inevitability that young Michael's going out with a bang, but his riding actually looked a great deal smoother this year at the TT. That said, he's actually been going quicker than ever now he's aboard the bike to be on, so the margin for error is arguably no less...
Guy Martin's possibly never going to win a TT, but my God - his efforts deserve respect. Everybody who races there deserves respect, in fact. They're ALL heroes.
So who could understand? I reckon the good folk of NSC have just about covered all the bases of the debate meself.
ps You won't be surprised to learn that I adore motorcycle racing on real roads: and the TT is the absolute pinnacle (for me at least) of closed-public-roads motorcycle racing. I...
The answers to your question(s) have all been answered already. If you aren't on a fishing trip and/or don't have an undisclosed personal agenda, why do you persist in posing questions about the validity of the annual IOM TT & Manx GP/Classic TT Races?