it is a cool technology with a lot of benefits, so yes they will adopt it and adapt their setups to match LN requirements.
i don't think mining pools need it.
the common investors, specially traders, and also gamblers, and generally those who make a lot of transactions too often will be the biggest fans of Lightning Network.
for example one of the obstacles a trader faces is that they can't leave their coins on exchanges because of risks but also transferring bitcoin to an exchange takes time so you can miss a lot of opportunity. with LN this will be instant and with nearly no fee.
and by the way it is already being adopted! there are nearly 250 LN nodes which started nearly a week ago