This. Also, 3 month trial periods instead of interviews are not going to happen for two reasons: a) there are still many people out there applying for jobs that

This. Also, 3 month trial periods instead of interviews are not going to happen for two reasons: a) there are still many people out there applying for jobs that couldn't code an append operation for a linked list, b) the cost that such trials would put on companies - if you ever mentored a junior you know the cost. It's worth it, but only because >90% of the recruits are valuable afterwards.