ACCT or MCCT?

I know this has been talked about before, but I need a bit more clarification and peoples experiences with both. I need to get a new CCT since im rebuilding my top end on my 2007 yz250f. Everybody on the internet tells me to get a MCCT, whille everybody in real life tells me that MCCT's suck and go on and on about the terrible experiences they've had with them (multiple people). The only reason I was hesitant about the stock ACCT is, as many people know, they can cause an engine failure. I understand the theory behind it, but what are the real chances of it happening? And what do you use? btw I live in AK and an ACCT at local dealer is 67.95...they have it in stock, I wont need to wait for it go get here, and I'm kind of in a hurry. If i go with APE the shipping is 34 bucks...so 85 bucks for a MCCT.
 
Unless there is some known issue keep it stock.

No experience with this particular bike, but over the years I've had issues with both manual and automatic tensioners.
 
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