no ways man!! RAMA never insulted his father ,as he knew tht why dashratha got married 3 times becaz dashratha cudn't have child with kaushalaya ,he married sumitra & then kaikeye . at tht time he didn't know abt putra kameshthi yagya ,so dashratha was compelled to marry sumitra & kaikeye ,so there was a big reason for dashratha polygamy act .
RAMA was a true son ,he never insulted his parents ,not even tht vamp kaikeye .