In detail - for those who have trouble with paragraphs with more than two sentences.
The evictions (yet to be responded to) continued to the end of the 19th century, leading to a devastated rural economy Nothing was done By Britain to relive that devastation.
The result was land wars and political unrest - Britain total expenditure was policing that unrest.
Enforced emigration led to a permanent drain of manpower.
More political unrest at the beginning of the 20th century until finally a settlement was brought about.
New Ireland immediately inherited a civil war caused by an enforced agreement, a partitioned Ireland and permanent sectarian conflict in the most arable part of the Island.
The inherited Empire economy had established emigration as a major feature of Irish life.
Despite blips in the economy, that remains the case (not helped, of course, by open, bloody warfare caused by a divided Ireland.
As I said - right up to the present day - not centuries ago.
This pattern has been repeated throughout the colonial world, but not to the same extent as in Ireland
As I said to your friend - go buy a book and stop making things up
Jim Carroll