So it’s not Samsung phones, just one Samsung phone.
It’s a good number of phones and the gist of the article is if you have old phones that aren’t being charged, there is a real possibility of catastrophic failure, which is pretty standard for batteries of any kind, particularly lithium’s.
Not one Samsung phone, many. From the article:
And it's not just the phones, tablets have the same habit, especially the A series. About 90% of the swollen battery devices were from Samsung.