Oh really?! This is what the Bible says about taking communion:
I Corinthians 11:25-29 "In the same way He took the cup also after supper, saying, "This cup is the new covenant in My blood; do this, as often as you drink it, in remembrance of Me.'' For as often as you eat this bread and drink the cup, you proclaim the Lord's death until He comes. Therefore whoever eats the bread or drinks the cup of the Lord in an unworthy manner, shall be guilty of the body and the blood of the Lord. But a man must examine himself, and in so doing he is to eat of the bread and drink of the cup. For he who eats and drinks, eats and drinks judgment to himself if he does not judge the body rightly.
This is extremely clear, if you take communion when living in gross immorality (homosexual lifestyle), you come under judgment.
The first item bolded is clear that "unworthy manner" applies to these guys' attempt to politicize communion. The second is a bit vague, and could apply to any "sinner."
Still, what were these people thinking? Is it okay to politicize any solemn occasion for your pet cause these days? (an other-side example is Fred Phelps picketing homosexual funerals)
And after receiving the Sacrament of Reconciliation.