A perplexing question mate, as it has the reloaded hack, then I'd guess I'd have to say no, it's not legal. However said hack has been discussed here for some time, (hope I'm not bucking the rules here, sorry in advance if that's so). As for the actual mod itself, it does contain as you said GWX, NYGM, TW, AOTD and others, so if the modders perms were not asked for or granted, I'd say it was unethical rather than illegal.
Best regards.
Fubar2Niner
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