No, I never said he was a good bowler, just not a particularly poor one. And certainly he puts most seamers who've played for SL outside Vaas and Zoysa (and recently Maaalinga and Kulasekara) to shame.
Wickremasinghe >>>>> Eric Upashantha, Pulsathi Gunaratne, Ruchira Perera, Suresh Perera, Dilhara Fernando, RAP Nissanka, Ishara Amerasinghe, Chamila Gamage Lakshitha, Thilan Thushara, Charitha Buddhika Fernando, Ravindra Pushpakumara, Sujeewa de Silva, K Weeratne, Dulip Liyange, Dilhara Lokuhettage and (to date) Farveez Maharoof.
He was no World-beater but he was far from the worst you'll see.