This would stop pointless speculation by commenters and show how you're approaching the device.

He had not got where he was at the age of thirty-three by giving way to pointless speculation and neurotic inner enquiry.

She was presumably to be concerned in killing him, but he rejected pointless speculation about details.

But lolinda pressed me to continue what I considered to be pointless speculation.

I was "window shopping" - seeking innocent pleasure from pointless speculation about some sort of commercial offering.

Soleta turned her mind back to the business at hand, pulling it away from pointless speculation about McHenry.

The three of them seemed pretty damned comfortable together, and for a moment Cadmann indulged in pointless speculation.

Could it be that the general scientific community finds such speculation ultimately pointless in the absence of real data?

At best we will have spent resources that could benefit the sick and poor of the world on a pointless speculation.

He could not concern himself with such pointless speculation.