If it plays on your standalones with no problems, TRTs well on your drives, and has good longevity then you’re golden. Scans are to be taken with a grain of salt, and results from different burners/scanners vary greatly. The other gurus may help you with the low disc quality score if you provide them with your drive details.
I’d trust any media that’s MIJ, and any Verbatim (MIJ/MIT/MII) everytime (provided that I’ve checked which writer it’s most compatible with). If Maxell M01s work well for you then that’s terrific. Homemade scans are somewhat inaccurate when used with some writers but provide a good benchmark for a disc’s state at a certain time (burned on a certain drive) and as comparison for a disc’s degradation over time. I’ve used thousands of Verbs (mostly MIT if it matters - best availability for me), and hundreds of M01s (though some writers don’t like it much, it plays well nevertheless), but no TY DVDs (but many can attest to its quality here in the forum). There’s more to life than scanning discs, don’t sweat the small stuff. I’d rather be enjoying what I’ve burned (or making money out of it) than waste time checking every disc after burning – that’s the beauty of quality media, it makes you enjoy more out of life.
If it’ll make you sleep better at night, find a buddy with a good scanning drive to check if it’s just a scanning issue (and it’s all your drive’s fault for causing the low quality score – bad, bad drive ). I’m pretty sure BenQ and LiteOn drives will do a good job at that.