Updated Translation Factors - Hockey Abstract
I did a little digging - this is what I could conclusively find that showed a difference in point values between the CHL leagues, dated late 2015.
An NHLe point translator update for junior and overseas league - projecting the expected production in the NHL, after accumulating data of peers from various leagues and how it translated to the NHL.
Notably 2015-16
OHL 0.32
WHL 0.27
QJMHL 0.26
So the expectation at that time (2015-16) was that a 100pt OHL player would produce ~32 points in a equal number of NHL games played the following season vs a QJMHL player hitting ~26 points. There's an 18.75% discrepancy outlined there between the OHL and the QJMHL, that's hardly insignificant.
The NHLe Calculator (Updated 04/11/2019)
Using a 2019 updated calculator for 100pts in 65gp across all 3 CHL leagues shows
OHL 40.75
WHL 38.10
QJMHL 35.83
Stats don't tell the full story, but there's clearly something that advanced analytics are picking up if the league itself doesn't project as well consistently year over year by a noticeable percentage.
The 2019 calculator still predicts a 12.07% difference between the OHL and the QJMHL.
Edit: I don't pretend to understand the assumptions made by whoever created the calculator, it's just a tool that I use to help guide my fantasy pool draft selections. I'm competitive by nature and I hate to lose, so I do some digging to try and do well in my dynasty leagues - even though there's no monetary incentive to do so.