|Cable/ADSL do not suffer from the same inherent issues wireless does.|
The problems are:
1) Subject to excess lag/latency
2) Lack of security
While the wireless connection may seem faster on paper, if you're accessing a remote network and running software from it, your wireless performance will suck greatly in comparison to ADSL/Cable. Even if the bandwidth of your wireless is rated twice as fast, performance overall would still be best on the hardwired solution.
Then there's security. Anybody with a laptop that has a wireless interface could pretty much sit outside your home and with enough time and patience, hack into your wireless network and therefore into your work network because the wireless is broadcast through the air where anybody can see the signal. If it's encrypted, it only takes time and computing cycles to crack the encryption. WEP encryption can be broken in under 30 min's by our security guy. He assures me there are tools available to crack WPA encryption too it just takes longer.
If you worked for me and dealt with any sensitive employee/client information, I would let you connect via a wireless network either.
I've had occasion in the last 15+ years of working with computers to work for companies where I worked from home. In those cases, the company paid for my internet. If they hadn't, I would have been able to claim that on income tax along with my "home office"
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.