Object Destructuring in function Parameters - A good pattern?

I've really fallen in love with object destructuring with functions.

For example:

var buyCoffee = function({sku, pounds = 1, roast:''}){
 ...more code
}
buyCoffee({sku:"cf-100" pounds: 3, roast: 'dark'});
buyCoffee({sku:"cf-101" roast: 'light'});

Pros

• Flexibility similar to the args object.
• Added Simplicity
• Not required to put in parameters if I don't need them.

Cons

• Variable names are locked all the way through.
• Currying would be much harder.(From what I can tell)
• Potential computational overhead?
• Harder to test?

I'd like to know what downsides there are to this approach? Is this a good pattern to use as I grow as a developer? Just looking for some wisdom from the trenches on this. Thoughts?