This is the 9159th most frequent Japanese word.
煽ら
"煽ら" is a conjugated form of the verb "煽る," which means "to fan," "to instigate," or "to provoke."
Here, '煽った' (past tense of '煽る') conveys the action of stimulating or provoking a discussion or situation.
彼の発言は議論を煽った。
His statement provoked the debate.
In this context, '煽られて' (passive form of '煽る') indicates the state of being prompted or excited by external influence.
広場でみんなが煽られて興奮している。
Everyone in the square is excited after being encouraged to cheer.
Here, '煽らない' (negative form of '煽る') refers to the intention of refraining from exaggerating or inflating concern about a matter.