It does seem suspicious, though those who point out that these numbers of fires and breakdowns at refineries are not unusual also have a point:
Of curse, we have been reporting here for decades. I guess is just as Grok say by clusers, in certain point in time, regarding certain circumnstances as with weather, asteroids (and the like), airplanes (Boeings), shootings, food and electric shortages, etc, etc.Clusters occur; they're not new.
We can't pinpoint the causes with certainty, but it's interesting to observe them, observe the signs of the times.