>

And you forget to mention that the US and the CIA instructed Pakistan to find, arm, and train these people when the Soviet-Afghan war was raging.  This is literally the conquered of a war in the 70s and 80s coming to bite all parties invoked back in the ass.
Holy shit, last time I saw the death toll was 58. >

Can someone ELI5 on the situation in Pakistan and what would the attackers  (Taliban? Splinter group from the Taliban) hope to gain from this?
Thank you in advance. >

Pakistani Taliban wants part of Pakistan to join Afghanistan. Now that OG Taliban is in power, thanks to Pakistan, little Tali has gotten bolder. >

You forgot to mention that the Pakistan government gave support and protection to the Taliban, while the US invaded Afghanistan, to undermine the US Government's influence in Afghanistan. Now they are reaping what they sowed.