This thread is about RPG design. Comparison to other RPGs seemed apposite. Given the particular issue was whether or not players should be able to play what they want to play, comparison to other RPGs that permit that also seemed apposite.
Maybe you're unaware of how often you mention Burning Wheel? You've brought it up in most L&L discussion articles, all playtest package discussion threads, and a bunch of 4e threads, DMs advice threads, alternative rules threads, D&D variation threads, articles from others about D&D threads, the "wrong path" thread....a fairly constant stream of you mentioning Burning Wheel in supposedly D&D threads in the D&D forum.
And it's not like EnWorld doesn't have a forum set aside just for those sorts of discussions, as the "RPGs & Tabletop Gaming Discussion" is for that, and Burning Wheel is discussed there plenty. But the "D&D and Pathfinder" forum isn't it. The occasional mention of another game is OK, particularly for a new version of D&D (though as I noted you do it plenty in 4e threads as well), but I think any rational reading of the sheer quantity of times you mention Burning Wheel in D&D threads indicates it's well past occasional mentions and firmly in the "looking for excuses to mention this other non-D&D game I really like and want you to like as well" realm.
I own the MouseGuard RPG that, as you know, uses a streamlined version of the Burning Wheel mechanics (mostly because I am a fan of the comic and cover some Archaia stuff for another website). It's an OK game I suppose, but my experience with it is the rules are kinda clunky and seems more focused on cutesy mechanics that read better than they play at the actual table.
Nor do their sales reflect popularity of their gaming mechanics, and it doesn't seem to be due to lack of exposure. For an indie game it gets plenty of exposure and has fans, like yourself, who promote the game plenty. But despite that, it's lagging well behind competing games even in their own niche of the gaming industry.
Which tells me we're not talking about a set of rules that has the sort of universal appeal that you imply by the quantity of times you mention it for D&D applications. It doesn't seem like you're mentioning it to get much utility out of adapting it to a D&D rule - mostly you seem to mention it just to mention it, whether it's useful or not to the conversation. For example, on this conversation, you tossed it in there in a sort of content-less way, with a broad declaration it has more character customization with nothing connected to that. Unless someone has played the game, your contribution in mentioning it was fairly pointless...OK, another game customizes characters more, and this means for D&D...?
Anyway, my point is I think perhaps you're a bit obsessed with Burning Wheel, and not noticing how often you bring it up in D&D threads in ways that probably are not informing or persuading people of much of anything.