Actually, as the solar system ages and planets clear out their orbits, there are fewer and fewer large objects left to cause extinction level events. It is not surprising that the time between very large meteor strikes is gradually increasing.
The purported “scientist” is probably reacting to Trump’s election. He knows his useless “research” is soon on the cutting block.
There are other sources of ELE events out there. How many of you have heard about this event that occured in '04? It ripped away part of the earth's atmosphere and altered our magnetosphere to this day.
The source for the event above was 55,000 light years away. We've got something similar only 8,000 light years away: NASA Missions Monitor a Waking Black Hole
The resulting radiation/energy from these events comes in waves, depending upon the type of particles or waves, and arrive at different time periods. The gamma waves from the '04 event may only be a prelude to other cosmic radiation that will follows. Cosmic radiation has been increasing. We're not sure if it's because the sun has gotten quieter, or because the solar system itself is seeing an increase.
There is much we don't know. It's theorized something similar wiped out many large mammals and much of humanity about 12,000 years ago...
Thanks for posting BenLurkin!