Some users have recently had their accounts hijacked. It seems that the now defunct EVGA forums might have compromised your password there and seems many are using the same PW here. We would suggest you UPDATE YOUR PASSWORD and TURN ON 2FA for your account here to further secure it. None of the compromised accounts had 2FA turned on.
Once you have enabled 2FA, your account will be updated soon to show a badge, letting other members know that you use 2FA to protect your account. This should be beneficial for everyone that uses FSFT.
Of the 100TB or so that I manage. 3/4 of this is on ZoL with the rest split between btrfs on top of mdadm raid6 and ext4 as /boot and some single drive setups.
everything else is ZFS on a pair of RAID-Z arrays. (though the next one will be Z2) As to why? / I almost don't care about, ext4 is perfectly fine and supports TRIM. The storage arrays are the important bits, I want data integrity above all else, hence ZFS.