Frequently you have seen less of some members, not because of their age, but because they are flat-assed sick of the 'trivial being exploited' all the time.
Opinions are just that, and we can choose to ignore those areas of conflict, or embrace them and 'spill' a couple 55 gallon drums of Whoop-ass, or let the helpless soles reinforce the notion that ignorance is bliss.....
The fact remains that Richard has created a VERY nice compilation of coal burning knowledge, and thousands of folks who can thank him and others. Google anything about coal....what pops up? A NEPA reference!
If you burn coal or want to,; if you are warm as a result; if your heating costs are manageable; then thank the fine folks who get dirty, take the risks, and were/are intelligent to make devices to capture this great heat resource that is NOT sitting under a sandy knoll inhabited by camels and those who enjoy 'special relationships with said animals!'

Ever wonder what "The Village Idiot" does on his/her days off? Let me direct you to a 40 page 600 reply posts ....or another 50 posts of equal nonsense......