No. The value of knowing your system well far exceed the value of supposedly best system (of which is really arguable). Especially if it's a rush job, using too

No. The value of knowing your system well far exceed the value of supposedly best system (of which is really arguable). Especially if it's a rush job, using tools you know well will drastically reduce time needed, because you already know in and outs of such tools, and is able to identify buggy part quickly. Also, as we are talking about web development, what is best tools? ASP.NET? Rails? Django? Go? J2EE?