i know this question isnt about sporty science but: were there any drawbacks to any of leeuwenhoek’s discoverys?

Question: i know this question isnt about sporty science but: were there any drawbacks to any of leeuwenhoek's discoverys?
- Keywords:
  discovery,
  drawback,
  history,
  leeuwenhoek,
  micro-organism,
  microbiology
Asked by lime1998coolioreginaldyo to Audra, Fiona, Justin on 22 Mar 2012.
- Fiona Hatch answered on 22 Mar 2012:
  
  I didn’t know who you were on about so I had to google his name 😛
  
  As far as I could read there were no drawbacks and he actually helped science a lot with his microscope development and technique. And also discovered a lot about bacteria and body cells.

Question: i know this question isnt about sporty science but: were there any drawbacks to any of leeuwenhoek's discoverys?