I believe Chrome is just another way for Google to collect data. I for one will opt out by not installing it.
Because most people that use IE use it because it's the default browser in windows (which is the OS installed in most computers). Firefox is obviously better than IE but just some people bother to download it. People who didn't bother to change the default IE to a better option would not try to download google chrome, however people who use Firefox are most likely to give it a try. That's why Chrome is much more competence to FF than to IE.
This is only beta release... Its light weight & plain like google homepage... IMO, it will get more attention after final release.