As someone who for years prepared mass shipments for bi-monthly distribution, I agree. All that first message means is that the information for the waybill has been posted on the courier’s database (usually via their website, occasionally by proprietary software). It doesn’t even mean that an actual waybill has been produced. In my shop, it meant the waybills were produced but they were sitting in a nice neat pile waiting for the materials to be gathered, sometimes a gap of two or three weeks. (I was working in medical proficiency testing, not in consumers goods, and all my shipments left on the date that was on the published schedule.)
So once you have your tracking number, as a Soylent consumer, you should expect that the boxes are packed and picked up within a week or so. Anything after that, merits a followup to make sure that the (a) the waybill was actually printed, and (b) the labels were produced. For some reason, a lot of the problems seem to be lost labels (and hence lost packages because the shippers rely on the labels for some reason).
Once the courier posts the “picked up from” message then it’s time to nag the courier.
For about two years, I worked with a courier who would frequently not track anything at all. A visit to the tracking site would yield the information that the record was created but nothing else. Meanwhile the sites had clearly gotten my packages because they were able to send their proficiency response faxes.