I believe the idea behind this card is to stop you flat lining, now considering your not going to play this every turn (Because you simply can't) and it doesn't install and have a passive ability, this means your going to need to pick your opportune time to play it pretty damn well. So what is the correct time to play it?
Now Picture this, You just Legworked into the corps hand Second click and took a 3 point (Hades Shard) and a 2 pointer (Project Atlas) the other card you revealed is a Punitive counter strike (and you believe they have another one) the corp has 11 Credits in their pool, and you have four. Do you play it?
The Answer is no, if you play it now the corp simply takes the bad pub and then kills you on their turn, so it doesn't work here (Arguably you could have different amounts of money in this situation but I don't think it matters as they are going to take bad pub every time if they are sure of the kill)
Equally if the corp is playing scorched earth and are sure of the kill they can just take bad pub and kill you.
So it doesn't work against the Meat damage finishers.
So why would you play this?
I think the best way to play this card is to lower the risk of being flatlined while checking traps or doing a large amount of Multi-access. For example a Jinteki deck (Doesn't matter if its Pe or not) has several external servers installed, some of them have advancement tokens on them, so you play "Leverage" Jinteki declines to take the BP (As they are unsure of the kill, you could just as easily access their installed Jackson Howard or something non-lethal) and you check them all, with no fear of getting a single scratch. But lets say they take the bad pub, Bad pub is a massive hit against Jinteki as it means many of their assets are easily trashed lowering the taxing effects. But I doubt is worth including any more than one of these cards in a criminal deck.
But In the FutureSpoilers*** Cybernetics (A new type of card to be released in San-san cycle datapack Chrome City) require that you take a certain amount of damage (Net/brain/meat depending on the card) in order to install them, once these are released it may be possible to play this and then quickly install them all.
Overall I think this card is defiantly and acquired taste, and a one off if at all put in the deck, while it may screw with the corps game plan it gives them an option to negates its effects entirely depending on the board state.