I agree, there will be legislation against felt here eventually. Felt does harbor species more readily as it does dry slower than other parts of equipment. That said there has been virtually no talk about all the other bits of equipment such as waders, bootlaces, nets, packs and soft equipment that get wet. Not to mention things like boat anchors and ropes. Seems to me felt soles have been a really easy target that have made the boot manufacturers happy. What it has not done is create an alternate soul material to felt, that is as safe nor have manufacturers included the steps to treat the "new and improved" equipment. Lets not fool ourselves just because we treat our boots or don't have felt doesn't mean we still aren't carrying evasive species. Unfortunately the message out there seems to say ban felt and we'll be OK. it doesn't stress the other things you should do, nor does it take into account responsible fishers who take the time to decontaminate our equipment.
At 62 and I no longer leap from rock to rock like a sleek gazelle, more at times like a hippo on acid. So I could use all the traction I can get. Nowadays I almost never wade without my staff. I use the same method as you with the bleach. It does work. The reason I went with the Korkers is so that I can remove the soles and treat them independently. In the past treating the whole boot with bleach even a dilute solution has shortened the life of the stitching, always the first thing to go on my boots. I have always treated my boot stitching with mink oil which extends the life considerably. Bleach removes it quickly. I usually spray my boots with a hose and let them dry, they dry quickly. That is unless I am fishing new waters the next day, then the whole boot gets the treatment. Thanks Toirtis for mentioning the treatment.