Minor leaguers are still professionals. This is not a major terrorist attack. It was targeted at a small group of people for, likely a very specific reason.
It may be a terrorist attack. We just don't know yet until we know if Farooq Saeed had threatened to get back at his employers or had been fired or something else.
I clearly understand your point, sink.
Horrific? Certainly.
Terrorism? Almost certainly.
Jihad sympathizers? Likely.
A formal cell of ISIS or similar? Maybe not.