I buy a lot of Olsons and have been happy with them. Not thumping on the welds, fairly good life.
After watching a video on touching up the tops of the teeth (without worrying about tilting right or left for the set), I found I could touch up one, when it started drifting or cutting slow, in just a few minutes (used a 1-1/2" HF diamond grind stone).
I’ve had a couple of the more expensive Timberwolfs and was happy with them, but never got to give them a good test against the other blades because they were forced to cut a LOT of green sycamore.
Right now, I running an Olson 1/2", 3 TPI blade to cut green cherry. It gums the wheels so fast you couldn’t test blades against each other to save your life.