Maybe The Diamond Flush could have delivered his advice in a different way so that HE did not sound so rude in Billy's thread. Since "context or tone doesn't often come across well on the internet" The Diamond Flush could have worded his message MUCH different and then there would be no issue. Here is an example!
"Nice grow man.. seems like there is a lot of leaf left on the bud, what sort of trimming method did you use? I tend to use this method shown here ____________ I like this method because it does this _____________."

"Nice grow man.. seems like there is a lot of leaf left on the bud, what sort of trimming method did you use? I tend to use this method shown here ____________ I like this method because it does this _____________."