Obviously most Hebrew Roots believers are Christians, technically speaking, and some use this term about themselves (as
@HomesteadWife) has done above. I am not insinuating anything else.
Having said that, it is very common for some Hebrew Roots believers to refuse to call themselves "Christians". I don't see why it would be wrong for
@Con8 to notice this, when people take such great pains to point it out themselves. And of course this will cause distance between them and other Christians, that was their intent.
Surely if we are accepting of Hebrew Roots believers, we should take each of them as they describe themselves?
People who consider themselves "Hebrew Roots" exist on a very broad spectrum. The spectrum obviously begins with people who would not call themselves Hebrew Roots, only Christian (Catholic -> Anglican -> Protestant). Then you get the people who call themselves both Christian and Hebrew roots. These range from people who are basically regular Protestants who honour the feasts but are otherwise indistinguishable in their views from any other mainstream Protestant, to people who are a serious sect of Christianity with entirely different customs and beliefs to other denominations but still follow the same scriptures as everyone else and would be happy joining with other Christians in city-wide ministry work etc. Then you get those who do not call themselves Christian, which range from people who still follow Messiah but in some cases are beginning to doubt the authority of the writings of Paul, to on the extreme certain individuals who are in various stages of rejecting the identity of Messiah himself and are in danger of converting to Judaism - which some actually do. They are not a singular identity by any stretch of the imagination, every individual is unique, so just because someone calls themselves "Hebrew Roots" really doesn't tell you much about what they believe. And although there is much truth in the Hebrew Roots movement, there is also danger insomuch as some of them do end up rejecting Messiah (which we have seen in people we know). At the first extreme of this spectrum - Catholicism - lies idolatry. But at the other extreme lies apostasy. And the language someone uses is an indicator as to where people lie on this spectrum - once someone says "I'm not a Christian", then it is obvious others will be concerned that they're falling off the "apostasy" end of that spectrum.
So the worry that the forum is being dominated by people who are not Christians is certainly a misunderstanding -
but it is a misunderstanding that exists solely because of Hebrew Roots believers themselves self-identifying as not-Christian. It's not
@Con8's fault for noticing it and being concerned by it. Don't shoot the messenger. It could only be corrected by those who have given this impression in the first place.