Perhaps not ones designed for carrying ballistic missiles.
Though this still isn't a perfect comparison because it ignores the fact that drone usage can be targeted to individuals, which is a factor that makes it more dangerous in our context of homeland operations.
> The government could in theory drive a ballistic missile launcher hidden in an 18-wheeler into any major US city - should we not allow trucks on the road?
This is a straw man, the Predator is a weapons platform, nothing is being hidden here.