I'd say this is a + and not a -Mr_Maks wrote: ↑ -Due to the fact that clans need to be served,people who can not devote much time to the game old or new players can will change their minds to create a clan base what may depreciate them over time.
The depreciation of buildings need not be hugely rapid so that players need to be permanently maintaining their bases.
Ok. Let's put some numbers out there to discuss.
How about a clan building depreciates one level per day, unless it is maintained?
Someone else can do the exact maths about how long it would take for a 2850 tower to disintegrate, but it's just under 8 years.