Wikipedia is often notoriously convoluted for technical topics though.
I read the Lightning paper and found it simple enough to understand (conceptually at least) how the channels are opened, updated, closed, and penalized. Of course the actual implementation is a more complicated and nuanced than what the paper covers.
I disagree that the LN paper made conservative assumptions.
A "black swan" event like a major lightning hub going down may force more channel closings than the network (as currently implemented) has time to process before time-out.
The LN simply does not work if the base layer is congested.
It takes something that is, in human terms, relatively simple and makes it so convoluted that it's hard to even follow.