04 Feb - All Worlds [Emergency] Maintenance (7.41 fixes)
26 Jan - All Worlds Maintenance (Patch 7.41)
24 Dec - All Worlds Emergency Maintenance (more 7.4 fixes)
18 Dec - All Worlds Emergency Maintenance (7.4 fixes)
15 Dec - All Worlds Maintenance (Patch 7.4)
No Downtime 12 Nov (more 7.38 fixes)
No Downtime 20 Nov (7.38 fixes)
10 Nov - All Worlds Maintenance (Patch 7.38)
15 Oct - All Worlds Emergency Maintenance (7.35 fixes)
No Downtime 08 Oct (7.35 fixes)
06 Oct - All Worlds Maintenance (Patch 7.35)
04 Sep - All Worlds Emergency Maintenance (7.31 fixes)
01 Sep - All Worlds Maintenance (Patch 7.31)
No Downtime 12 Aug
07 Aug - All Worlds Emergency Maintenance (7.3 fixes)
No Downtime 05 Aug (7.3 fixes)
04 Aug - All Worlds Maintenance (Patch 7.3)

So in the last six months, there have been 6 content implementation maintenances and 6 emergency fix maintenances. That's 12 maintenances over the span of 182 days. Hardly "constant" and "out of hand".