What's the need of a symbol switcher in trading?

<p id="isPasted">With Symbol Switch you can easily change the symbol of all open charts without losing your analysis or template.</p><ul style="-webkit-tap-highlight-color: transparent; list-style-type: square; text-size-adjust: none; color: rgb(64, 64, 64); font-family: &quot;Trebuchet MS&quot;, Helvetica, Tahoma, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="-webkit-tap-highlight-color: transparent; text-size-adjust: none;">Easily monitor many symbols with only one monitor.</li><li style="-webkit-tap-highlight-color: transparent; text-size-adjust: none;">Auto save\load analysis separately for each symbol (including all graphical analysis and attached indicators).</li><li style="-webkit-tap-highlight-color: transparent; text-size-adjust: none;">The indicator shows the symbols which are visible in your MT4 "Market Watch" window. To add\remove a symbol just add\remove it from MT4 "Market Watch" window.</li><li style="-webkit-tap-highlight-color: transparent; text-size-adjust: none;">Monitoring all symbols profit with the panel.</li><li style="-webkit-tap-highlight-color: transparent; text-size-adjust: none;">Works with all brokers.</li><li style="-webkit-tap-highlight-color: transparent; text-size-adjust: none;">Up to 100 symbols</li></ul>