No, the Scriptures show that Jehovah was pleased to accept the personal prayers of individuals.
كَلَّا ،‏ فَٱلْأَسْفَارُ ٱلْمُقَدَّسَةُ تُظْهِرُ أَنَّ يَهْوَه سُرَّ بِقُبُولِ ٱلصَّلَوَاتِ ٱلشَّخْصِيَّةِ ٱلَّتِي يُقَدِّمُهَا ٱلْأَفْرَادُ .‏