We did icsi and I remember reading the same. They have admitted there is no conclusive evidence to the above and they use it to improve fertilisation rates. I decided for us that the improved fert rates was a step in the right direction for our journey so we went for it.
Good luck.
oh thankyou, can I ask how many times did it take you to conceive, I lost my last egg the day before I was due to go in for transfer,it costed us $7000 out of pocket