That's four times out of six. Steve Bruce's promotions (that 's' at the end is important) aren't an anomaly, as your points about Atletico and Leicester prove.
if it was just about attacking Newcastle would've won the league under Keegan, Spurs would've won it under Ardiles, and Tim Sherwood would be Utd manager instead of defensively-minded, multi-title-winning Jose Moutinho.
See also Argentina 1990, Greece 2004, Italy 2006, 1-0 to the Arsenal, and Liverpool's inability to win trophies with attacking football under Rodgers and Klopp.