GOD ALONE DETERMINES WHAT IS DEFINED AS SINFUL, AND WHAT ISN'T. HUMANITY'S OPINION IS IRRELEVENT.
Today, there are many churches far more concerned about alienating potential donors, than they are about rightly interpreting the word of God. Behaviors which were once universally considered sinful, are now being celebrated and encouraged. This isn't based on any change in the bible or God's definition of morality. It's instead trying to replace God's objective morality, with human-determined subjective morality and political correctness. This typically isn't done overtly. A person or church isn't likely to come straight out and say: 'this is what God says, but I/we say otherwise'. They will instead use Satan's very effective 'Hath God said?' technique, and reinterpret biblical passages to suit the behavior they are trying to legitimize. This is why I've mentioned previously the importance of having at least one good classic bible commentary, such as Matthew Henry's. Over hundreds of years, things get lost in translation or meanings...