They should really focus on getting face masks for employees faster by using nonmedical fabric masks, which can help prevent asymptomatic transmission by blocking respiratory droplets from spreading. The article says the surgical masks won't arrive until next week. And they should really be using some alternative fabric mask, rather than surgical masks which should go to healthcare workers.
Each day that interventions are delayed makes a huge difference.
More thoughts at https://shouldiwearafacemask.com
(Edited to remove suggestion to close until they get masks with a compromise to use nonmedical fabric masks.)
Something that reduces a risk (e.g. virus spread) by 5% provides very real security improvements. There is nothing "false" about it. Your concept of "false sense of security" would only apply if someone promised a 5% measure provided 100% security - and nobody is doing that.
This is a “false sense of security” because one can have the virus and be contagious without a fever or any symptoms at all.