Ryanair adds new routes from Cork to Poland and Lithuania - Business - Business | Ireland's online business and management news service - Businessandleadership.com
According to this article, the new routes are to Gdansk, Krakow, Warsaw, Wroclaw and Vilnius.
Obviously these routes have been chosen on their on merits after extensive research and Ryanair are in no way trying to drive Wizzair out of Ireland ...
The only Wizzair Cork route that Ryanair haven't just accidentally duplicated is Poznan (if you argue that Krakow and Katowice have a substantial overlap).