There has already been a polite reminder that this thread is about treated timber, and to confine discussion about clipex to the clipex thread.
I think that is a bit unfair - Using Clipex was worth mentioning IMO, as it is an alternative and discussions over cost comparisons are interesting. If you limited what people can answer in a thread it would be very quiet and you would never get an alternative approach, or broaden your knowledge.
However, someone constantly shouting about something is a bit tedious... I suspect it actually puts a lot of people off it.