OK, first up, IN NO WAY AM I ADVOCATING THE TURNBACK.
Just so we're clear
However, as far as I am concerned, there are a couple of 'misconceptions' in the statement "if you start increasing your stall speed by putting on medium to large angles of bank you are going to spin it into the ground"
1) A stall in a turn does not necessarily equal a spin - not if the aircraft is properly balanced.
2) let's take a warrior - Vs (clean) 50 kts, Best climb 79, Best glide 73: 60 degree bank, 2g, Vs goes up by 1.4 multiplier - i.e. 70kts. Uncomfortably close, but not actually above the glide speed.
That said, I'm nitpicking the statement rather than the sentiment. Sorry! As has been said many times - if in doubt - don't.
I'm no sky god, but I firmly believe the turnback will most likely kill you, especially if you're not intimately familiar with throwing the plane around, and it's performance in those attitudes. The issue is really the height you will need to make that turn - whether you hit the ground as a result of a spin or in a major turn is probably largely irrelevant to the outcome. The cause is not having enough room for the turn.