The main idea behind optification, is to store everything (that is feasible) out of rootfs. For this case, we have /opt, which is symlinked in few places (like /home/opt). While your approach to place files under already existing symlink (/home/opt) may be not canonical, it isn't hurting at all (AFAIK), and everything should be OK.

Reasoning for it is quite simple (and I'm sure You're aware of that, just writing it for the records) - rootfs space is very limited. So, generally, optification is done OK, if it use common sense to store most/all files outside rootfs (in some rare cases, it may be beneficial for program, to have file natively on rootfs, but it isn't the case here).

/Estel