It could be seen that way.
Hoarding in general is more of a gathering in the event of a shortage. I consider this more of speculation. (»en.wikipedia.org/wiki/Hoarding)
While 'some' may think that's what carriers are doing - its also for profit, and they are under the assumption that there will be a shortage (spectrum doesn't grow on trees), and will be able to sell it for a huge profit, or use it / lease it when its time.
Canada = Hollywood North