The phrase "availability of so many" is correct and usable in written English.
It can be used when discussing the presence or accessibility of a large number of items, options, or resources.
Example: "The availability of so many different flavors of ice cream makes it hard to choose just one."
Alternatives: "presence of numerous" or "accessibility of many options".
But how does the availability of so many live recordings affect the performer?
Tymon said the reason for the change was the availability of so many former Yankees.
The availability of so many wines in small measures is just one example.
Furthermore, the availability of so many approved treatments raises questions about the ethics and safety of placebo-controlled trials in patients with epilepsy.
While the availability of so many choices can be liberating, it also can be confusing for a young person first facing them.
Given the theoretically unlimited rehearsal time and the availability of so many fine and varied collaborators, participants like to venture into music they don't often perform with their own groups at home or can't master with a few of their friends.
The arrival of so many shows in one season also reflects the availability of theaters on Broadway.
"…the lack of so many things that we all consider vital to our overall health and wellbeing, that the access and availability to it is so limited.
So Decisions For Heroes monitors key metrics for these rescue teams like "response readiness", team availability (since so many of these teams are staffed by volunteers), qualifications and experience.
Say what you want about Starbucks, but it has found that perfect balance of addiction and availability (there are so many locations these days that you could be texting someone about how much you need a coffee and accidentally walk into one).
The availability of so much detailed personal information can be used for secondary purposes, many of which are not known or intended by the individuals.
