"Hidden" particle has been around for some time, and I do not see a drawback in adding them to "normal" reactive coverstocks to enhance friction or smooth out the reaction. With today's aggressive stuff, this might even be technically necessary to get a consistent ball reaction at all.
But IMHO it is bad policy to put this practice under the blanket of marketing and "misleading" customers.
I think it is a communication problem, making the function and degree of reaction effect understandable for the common customer. When people hear "particle", they think "hook at your feet" and heavy oil. But that's wrong, as great balls like MoRich's Onslaught or Storm's light load particles prove. But it is a marketing challenge, after all.
By the way (@Slopsurprise): Storm uses, as far as I know, soft particles in their coverstock, which flatten out upon contact and increase contact area with the lane - but need dry boards to work well. Much different from carbide particle (e. g. Brunswick) which acts like spikes and create that dreaded early friction.
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