Two of the most passionate YouTube reviews against TLJ that I saw were from people in their 20's and I'm in my 40's and absolutely hated TLJ. I bet an age study would be all over the place. Still would be interesting though.
And, not for a lack of poles but I'd be curious to know what the most popular reason for the hate would be.
Yeah I have seen all kinds of age ranges for people who loved it and for people who hated it.
As for the most "popular" reason for hating it... Pretty sure the portrayal of Luke and his lack of involvement action-wise would be way up there for a lot of people.
Then you've got Snoke's fate, the lack of explanation for Rey's powers, the Leia scene, Finn/Rose story arc, the heavy handed messages, etc... In no particular order.