Just like churches, if you start taking money from corporations (or government) you have bound yourself.
Boy Scouts Admin were living large in the 80s and 90s as companies like Intel, GE and others gave them money. When the pervert lobby took over corporate America, their social policy changed too.
its tough to give up nice salaries, offices, and facilities - so you do your best to find compromise. And thus the destruction begins.
A short and excellent summary of how corporate money came to call the tune at BSA, despite having a clear SCOTUS victory on freedom of association. Putting a face to the $$$, the recently fired SOS Rex Tillerson used XOM money to pull the tiller to the left during his time with BSA.