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May I ask what is the road block? Why people are reluctant to adopt the lightning network as opposed to the high transaction fee! If this is what can solve this high transaction fee people are currently facing then there should not be any hesitant about it, just wondering why the adoption is slow,
And as for minimize transaction cost, I also do same, use other alts that has less fees to withdraw.
One of the main argument is that the network could be centralized. Most of the current LN nodes are controlled by a few individuals but this could be solved if more people will run their own node. Right now, it seems that the cost of implementing LN still outweighs the benefits/rewards and that prevents many exchanges from adopting it.
Another issue raised is that it's not user friendly. An average user would need some technical skills or he/she could find it hard to set up opening/closing payment channel/s.