Lebanese outraged at relatively comfortable conditions in futuristic-looking underground facility showcased in terror group’s propaganda video as country endures a crippling energy crisis; 'If Hezbollah can build tunnels, why can't they provide electricity and water to their communities?'
These tunnels exist long before Hamas, they were not used to smuggling weapons, etc. back then.
The blockade of the Gaza Strip has caused a shortage of certain basic products, especially construction materials, fuel, some consumer articles, and medicines and medical supplies.[8][9] Import restrictions, including of basic building materials, have led to the proliferation of tunnels under the border with Egypt.[10][11] As Israel limits the Palestinian freedom of movement, for most Gazans the tunnels are the only way to move from and to Gaza.
These tunnels exist long before Hamas, they were not used to smuggling weapons, etc. back then.
https://en.m.wikipedia.org/wiki/Gaza_Strip_smuggling_tunnels