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There's no such thing as explicitness or implicitness in software. There's a large number of decisions the software must make, and as the end user, you can only specify a tiny number of them. Good software surfaces the decisions you care about and takes care of the rest.
99% of decisions always have to stay hidden. Unless you're the one writing the software, implicitness is just the default, universal state of software tools. What matters is *which* bits are being surfaced at the tip of the iceberg. And that's an API design question.
So don't tell me, "this is implicit / this is magic." Tell me, "I care about configuring X." And do realize that software tools can be used by a variety of people, who don't all care about the same things.
Indeed, as Shakespeare famously wrote:
"to implement or not to inpliment, that is the question"
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