Apart from all the above, Fokker issued a directive as far back as 2005 that the use of more than idle reverse could cause damage to the engines and an inspection was mandated.if used.
Idle reverse is normally quite effective and can be used to reduce taxy speeds as mentioned..
The so called damage was noticed when some operators used reverse to "push back" so to speak i seem to recall.
For an RTO, fill your boots as engines are cheap vs the air frame.
Other types i had the privilage of flying variable from idle to full was SOP depending of all the things you can think of, and some you wont