You are mixing up the different values.

“Meanwhile, scattered reports of **MS Flight Sim 2020’**s bandwidth consumption point toward a more conservative ~100 Mb/s in densely populated photogrammetry areas, such as major cities. Usage in lighter areas could dip as low as 10 Mb/s, though the official Microsoft bandwidth recommendation for that game was 50 Mb/s.”

Flight Sim 2020 had a higher install size and lower bandwidth. Flight Sim 2024 has a lower install size and higher bandwidth requirement. Even if the sustained load isn’t using the maximum bandwidth, it still means that 2024 will use a significant amount of bandwidth such that it may affect customers with data caps.