Been using waze for months. It knows my morning/afternoon commute quite well.
This morning, halfway to work, it re-routed me many miles off my route. Quite a scenic drive thru small towns (with lots of stop signs and lights), down twisty country roads. All this instead of the highway I usually take at high speeds. I assumed there was an accident that it was helping me avoid, but the map showed nothing. Other co-workers who drive the same route as me arrived at work at their usual time, and reported no issues.
This afternoon’s commute wasn’t any better. It directed me to go WAY out of my way. I scanned ahead on the map and saw no traffic jams or accidents, so I ignored the directions this time, and drove my usual route. At one point, I noticed it was telling me to go 2 exits past my house, make a U-turn at a clover leaf intersection, and then drive back the same 2-exits, to get off at my usual exit. That’s an extra 12 miles. Like I said, that was after I ignored the original totally bogus directions it had. Those first directions were totally nuts. Get on a turnpike (exits every 12-24 miles), drive AWAY from my house, and then back-track on country roads.
When you are driving a moving vehicle, it’s usually not practical (or safe) to scroll the map and look for accidents or traffic jams, to check and see why waze is giving you bad directions.