Posted May 11, 2018
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This more akin to a store employee giving out a kinda cool, moderately-priced electronic doohickey to anyone and everyone who walks by a given chain store in a mall...but the doohickey requires special refill cartridges (or something) that can only be bought in that store chain. (Not a perfect analogy, but close enough.)
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If you want an analogy which fitted better, it would be :
"This more akin to a store employee giving out a kinda cool, moderately-priced electronic doohickey to anyone and everyone who walks by a given chain store in a mall... however, you needed to stay in their store when you tried it the first time to make sure that it worked"
and that's that.