Race boot generally speaking have had more forward lean than REC. boots.
But you also have ramp angle and forward lean as 2 separate issues.
Then there are vast differences in these attributes between race boots.
All boots but particularly race boots seem to have tempered the ramp angle/forward lean amount at some at least somewhat over the last few seasons.
And then you also have to take into consideration binding ramp angle.
Many have a 3-4mm ramp heel high.
The Atomic 10.18 was flat. Some Ross/look turntables had a much as 7mm differential
I think the Technica Diablo boot of a few years back had massive forward lean. Head Raptor not so much. The new Technica's look like they have much less FL.
Our bootfitter as general rules has been straightening most folks stance, so many boot have too much forward lean.