I drag race, it isn't an all day affair, sorry, and it wouldn't be fun any longer if I had to do a burnout, stage, race, circle around, cool off the car in the staging lane, and repeat for 12 hours. Some can do the other activity as well for long periods of time, not all of us are able to sustain that however but it isn't fair to say NO ONE can do it. 
Not sure why you want to play into Hogloff's drama like you are, but I appreciate you admitting you have never held a camera in the hands for 12 hours as the he overly and dramatically points out as being a commonplace occurrence and primary reason MILC is so very necessary for everyone, and you then parrot also as a reason. Thank you for that confirmation.
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Mirrorless is a tool like many other things, nothing more. It doesn't make a system better inherently, it is just another "choice" you have available now. If in the past, your physical abilities or time behind a camera causes fatigue or pain, now you have a slightly lighter and smaller package to make the same photos as before. That is wonderful, we are blessed to be in such a time with so many great choices in cameras, features, lenses (even 3rd party glass is quite good).
However there is a proper way to state this and there are improper ways.
One way is to say "For me, xyz is better because.... but I understand that may not be a factor for others and I can respect that".
The other way is "xyz is better for everyone, because when I do this or that, which I presume everyone else also does, then everyone's life is better for what xyz brings to the table. I will take anyone to task if they dare say anything seemingly negative toward xyz". 
It should be obvious which way is more conducive to civil discussions vs antagonistic/being a jerk. If not, I put smilies where needed to clarify.
I doubt it will change anything, some become very refractory in their old age.