What is the meaning of Zephaniah 1:12?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

And at that time I will search Jerusalem with lamps and punish the men settled in complacency, who say to themselves, ‘The LORD will do nothing, either good or bad.’

Berean Standard Bible (BSB)

It will happen at that time, that I will search Jerusalem with lamps, and I will punish the men who are settled on their dregs, who say in their heart, “Yahweh will not do good, neither will he do evil.”

World English Bible (WEB)

And it shall come to pass at that time{H6256}, that I will search{H2664}{(H8762)} Jerusalem{H3389} with candles{H5216}, and punish{H6485}{(H8804)} the men{H582} that are settled{H7087}{(H8802)} on their lees{H8105}: that say{H559}{(H8802)} in their heart{H3824}, The LORD{H3068} will not do good{H3190}{(H8686)}, neither will he do evil{H7489}{(H8686)}.

Strong's King James

It will happen at that time, That I will search out Yerushalayim with lamps, I will hand over the men who are congealing from their old wine, Saying in their hearts, "יהוה (Yahweh) won't do good or evil!"

The F.O.G*

The F.O.G Paraphrase

And it hath come to pass, at that time, I search Jerusalem with lights, And I have laid a charge on the men Who are hardened on their preserved things, Who are saying in their heart: Jehovah doth no good, nor doth He evil.

Young's Literal Translation