Which one of these bodies are people swapping to R30 nyame path A for?
None of them, for a lot of reasons, including but not limited to:
Nyame is all jobs, and this armor isnt.
Nyame has MAB and this doesn't
Nyame has SCD and this doesn't
Nyame has much better meva
Nyame has more DEF, HP, MDB, etc.
But even still, comparing them to R25 nyame:
Nyame has 2 more WSD than all of them.
Nyame has 10 more STR than Egbesu, 5 more than Nzame, 2 less than Olorun, 3 less than Ruwa.
Nyame has 9 less DEX than Egbesu, 23 less than Nzame, 14 less than Olorun, and 2 less than Ruwa
...You can go down the list and check all the other stats for your WS, but generally speaking: if it's a DEX WS maybe it's better but for the majority of cases, Nyame beats the new armor.
You can swap if you want to sacrifice WS damage on nearly every WS on nearly every job, wear a less defensive piece in your WS set, etc. to trade in for a better TP piece. It's not really a good idea for any job.
If you exclusively play DNC or DRG and no other jobs, the argument could be made. For anyone with even a tiny amount of job diversity, it's a terrible idea to trade R25 Nyame for this stuff. For R30 Nyame, it gets even worse.