There's some light and some shadow in this article. I can't tell about southern europe, but most of this does not apply in germany - even the parts that are specifically about germany. There are recommendations about how a work-place should look like but they are mostly common sense [1] and not mandated by law, at least not in the IT Business. There is a law about workplace safety [2] but that's like 12 pages long and enforces very basic limits: You must have toilets, sufficient lighting, sufficient heating and the escape routes must not be blocked. If you feel like you can use your garage or your living room.
Bonus payments are no problem at all either. If you feel like paying a bonus, pay it. If you want to have a written formula, write it down in a contract - but then you need to pay it if the employee qualifies.
If your employee pretends to be sick, send him to the public health officer. If he isn't sick it's an immediate firing offense. Even verbally threatening to go on sick leave is an immediate firing offense.
Severance packages are not mandated. You can have them in a contract, but the default is no severance package. It's still somewhat harder to fire someone than in the USA since you need an actual reason to do so. "She's irresistible" won't do. [3] It's pretty common to have 3-6 month probation period in a contract where both parties can terminate the contract on short notice.
The part where he's right is extra work. The law is pretty strict here: 8 hours a day is the normal maximum, 10 hours a day for a limited time, maximum of 60 hours a week. There must be a 10 hour break between end of work and beginning on the next day. You can break those limits in emergencies, but you need a qualified reason. That sounds pretty harsh, but it's reasonable. It protects the employees on one side, but why would I want them to work more than 8 hours a day on a regular schedule when productivity drops sharp after 8, maximum 10 hours. We can do crunch time for a couple of weeks, but after that it just doesn't pay of. 12 hours a day are neither healthy for the employee nor for the startup. A team of zombies just doesn't perform. So I'm very little bothered by that law. Germany seems to be doing just fine productivity wise.
[1] The monitor should be placed parallel to the window to reduce reflections, the chair and the table must be adjustable in height, ...
[2] http://www.gesetze-im-internet.de/bundesrecht/arbst_ttv_2004...
[3] http://edition.cnn.com/2012/12/22/us/iowa-irresistible-worke...