I admit wiping down the endgrain does do well.I cut onions,garlic & ginger on the board at night clean it & chop frozen fruits for a smoothie in the morning no problem.
I am conditioned right or wrong about raw protiens,esp chicken.At work had to take a safe food coarse,temps hot & cold,FIFO,cross contamination etc. it has stuck with me.
in our household, the boards do get a rinse after use.
I went ahead and ordered some of those flex mats. Let's see how they work out into the routine of things