Yeah, as all the others.
Why? Because the explanation was real: these dudes could bring back the Ancient weapons.
Which btw was absolutely sound,
since we readers had seen the exact thing they feared back in Alabasta, two arcs prior: someone who knew how to read the PG used to take an AW.
Until the post TS/end of pre-TS, the WG was more like necessary evil/machiavellian. The Gorosei seemed disturbed by Ohara.
Hell, people even had doubts the Gorosei were CDs Lol.
Then all went to shit, with "humans are insect" type of low level evil nonsese.
Anyway, ironically, It was another cover up that led Sengoku to be fed up and leave: