Last week was busy due to a holiday, and I would expect that's overflowed some to this week, as well. I've been on this thread multiple times reporting my experiences during slow times as have others - but you'd need to scroll way back to get those.
So here's the thing:
Any holiday period is going to be busier and feel more crowded than a non-holiday time.
We are rolling out of one of the slowest seasons and into one of the busier seasons: WDW from Feb through July is busier overall than late Aug, Sept, or Jan.
Weekdays are less busy than weekends. Often by a LOT.
The last couple hours parks are open - particularly on weekdays - are often much less crowded overall.
So when you read about crowds and congestion, you have to also consider the time that reporter was visiting.
Out of a total of 12 days spent in parks over 4 trips since Aug., only twice did I feel some crowding was too much for my risk-averse comfort. And in both cases, I was easily able to avoid it, or move past it quickly. I've not once bumped into anyone other than my family member.
Yes, lines are physically long, because they have to have 6' between parties. Long does not necessarily mean a long time to wait, though. The longest attraction wait time I've had was 30 minutes, and that was only because there was a cleaning cycle.
I drive, so I can't comment on buses, etc.
I've had no issue whatsoever with mobile ordering.
There are things not open that I wish were, and there are attractions I won't do because I'm not comfortable with them, and I won't eat indoors or use WDW transportation, so it is fair to say I am doing less than I would be outside of a pandemic. But I've visited knowing that ahead of time, and went to WDW with realistic expectations. I really think doing that makes all the difference in the experience!
I hope this is helpful!
I try to order a little early - an hour or so ahead of when I want to eat. Maybe I eat at off times (12pm for lunch, 5-6pm for dinner), but I haven't had a problem yet.