Yes, is the evidence of the article actually true, and is it a kind of spam attack that is potentially going on the lightning network?
Also, is this part of the explanation why lightning network capacity has pretty much gone onto an exponential run, in terms of the number of bitcoins on there - seeming to double in less than a week?
I don't really think if we can call it a spam attack. I would rather say that it might be an attempt to prepare for disrupting the network in the future in order to show its critical disadvantages. I have already answered it
here, in case you missed it.
Yes, the capacity surged in the past 30 days by 220%. Source:
https://1ml.com/statistics