They 3-bet light against steals; continue accordingly, but out of position keep the calls disciplined.
The reference tier. 4-bet a tight value range, call with hands that flop well, fold the rest without ceremony.
Your hijack steal ran into the cutoff's 3-bet — position against you, and a range that knows your open was wide.
Assumes a standard 3-bet; 4-bet to ~2.2–2.5x the 3-bet. Deep, favor calls over 4-bets — a 4-bet pot at 500bb+ commits you with range disadvantage.