Are CS:GO games too long?

For roughly two decades Counter-Strike has been a game of 30 rounds - it is as much a part of the identity of the series as de_dust2. Changing that would be like making football games shorter - so why does the debate surrounding the game's supposedly overindulgent length resurface every year?
Solving this issue could be as simple as switching back to a max rounds 12 (MR12) system used in early CS 1.5-6 and repopularised by Riot Games' Valorant - but with Counter-Strike: Global Offensive it might not be that simple. Unlike other esports game where balance adjustments are commonplace, CS:GO is sensitive to change: it is, after all, a formula that has largely stayed the same for 20 years now.
However, the competitive scene is at a crossroads, with the most recent return to LAN at IEM Cologne 2021 reigniting conversations surrounding the length of games. Valorant has offered the first real challenge in a long time to CS:GO's title as the top tier FPS esport, and it will be up to Valve (and even the tournament organisers) to decide whether the length of the games are a necessary sacrifice to stay at the top.
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